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Finding the Third Proportional to 30,600 and 47,250

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Solution

The third proportional to 30,600 and 47,250 is: 72,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600 : 47,250 = 47,250 : x
  2. Step 2: Convert to fraction form
    30,600/47,250 = 47,250/x
  3. Step 3: Cross multiply
    30,600x = 47,250 × 47,250
  4. Step 4: Simplify right side
    30,600x = 2,232,562,500
  5. Step 5: Solve for x
    x = 2,232,562,500/30,600
  6. Step 6: Final answer
    x = 72,959.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.